"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 硬件故障类--network
Case Name   : 备升主时，目标备节点网络包乱序
Create At   : 2021/09/27
@zou_jialiang0505328126
Description :
    1.停止主节点
    2.注入网络包乱序故障
    3.备升主
Expect      :
    1.成功
    2.成功
    3.成功
History     :
"""

import unittest
import time
from yat.test import Node
from testcase.utils.Common import Common
from testcase.utils.Constant import Constant
from testcase.utils.CommonSH import CommonSH
from testcase.utils.CommonSH import RestartDbCluster
from testcase.utils.Logger import Logger
from testcase.utils.ComThread import ComThread


class NetWork(unittest.TestCase):
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info(
            '---------Opengauss_Reliability_Hardware_Case154:开始执行---------')
        self.primary_root_node = Node(node='PrimaryRoot')
        self.sta1_root_node = Node(node='Standby1Root')
        self.sta1_user_node = Node(node='Standby1DbUser')
        self.com = Common()
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.sta1_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()

        self.hostmsg = self.primary_root_node.sh('hostname;').result()
        self.log.info(f'hostname is {self.hostmsg}')

        self.log.info("-------------获取网卡名---------------")
        network_card_cmd = 'ifconfig'
        self.log.info(network_card_cmd)
        network_card_result = self.sta1_root_node.sh(
            network_card_cmd).result()
        network_card_list = network_card_result.split('\n\n')
        self.log.info(network_card_list)
        self.networkcard = ''
        for network_card_item in network_card_list:
            if self.sta1_user_node.db_host in network_card_item:
                self.networkcard = network_card_item.split(':')[0].strip()
                self.log.info(self.networkcard)

    def test_main(self):
        try:
            text = '----step1:停止主节点 expect:成功----'
            self.log.info(text)
            result = self.pri_sh.stopDbInstance()
            self.assertIn(self.constant.GS_CTL_STOP_SUCCESS_MSG, result,
                          '执行失败:' + text)

            text2 = '----step2:切换的同时目标备节点网络链路闪断 expect:成功----'
            self.log.info(text2)
            inject_command = f" rNet_reorder_Ex (dev, time, rate,duration) " \
                f"values  ({self.networkcard},3,2%,45)"
            cfe_thread = ComThread(
                self.com.cfe_inject,
                args=(self.sta1_root_node, inject_command,))
            cfe_thread.setDaemon(True)
            cfe_thread.start()
            time.sleep(5)

            text = '----step3:备升主 expect:成功----'
            self.log.info(text)
            result = self.sta1_sh.executeGsctl(
                'failover', self.constant.FAILOVER_SUCCESS_MSG)
            self.assertTrue(result, '执行失败:' + text)
            result = self.sta1_sh.exec_refresh_conf()
            self.assertTrue(result, '执行失败:' + text)
        finally:
            self.log.info("-------------------获取故障结果---------------------")
            cfe_thread.join(350)
            result = cfe_thread.get_result()
            self.log.info(result)
            self.assertIn('', result, '执行失败' + text2)
            time.sleep(5)

    def tearDown(self):
        self.log.info("---------------还原集群------------")
        self.pri_sh.executeGsctl(
            'start', 'start', '-M standby')
        self.pri_sh.executeGsctl(
            'switchover', self.constant.SWITCHOVER_SUCCESS_MSG)
        self.pri_sh.exec_refresh_conf()
        self.log.info('-----Opengauss_Reliability_Hardware_Case154:执行完成-----')
